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Doulas as chemical coaches: new study tests if education lowers toxin exposure in pregnancy

NCT ID NCT06032143

Knowledge-focused Sponsor: Harvard School of Public Health (HSPH) Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing This study
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether an online course for doulas about phthalates (chemicals found in many personal care products) can improve their knowledge and help them counsel pregnant clients. Researchers will measure changes in the doulas' and pregnant people's understanding and, for some, test urine samples for phthalate levels. The goal is to see if education alone can reduce exposure to these chemicals during pregnancy.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Online educational course on phthalates
What this could lead to
If successful, this could show that training doulas helps pregnant people reduce their exposure to certain chemicals in personal care products.
What could go wrong
This is a small, early-stage study (120 participants) focused on education and awareness, not on directly changing health outcomes. Results may not apply to other populations or chemicals.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 120 people

The number the study aims to enrol. It can still change while the study runs.

Started

Oct 2023

Expected to finish

Sep 2026

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion criteria: * Doulas currently working with pregnant individuals \<30 weeks into their pregnancy * Pregnant individuals working with doulas who are \<30 weeks into their pregnancy Exclusion criteria: * Doulas not currently working with pregnant individuals \<30 weeks into their pregnancy * Pregnant individuals working with doulas who are beyond 30 weeks into their pregnancy

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Conditions

The condition(s) this trial relates to.

Behavior

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Health knowledge, attitudes, practice

Contacts and locations

Locations

  • Harvard T.H. Chan School of Public Health

    Boston, Massachusetts, 02115, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.